213125610 has 32 divisors (see below), whose sum is σ = 511909632. Its totient is φ = 56788160.

The previous prime is 213125609. The next prime is 213125623. The reversal of 213125610 is 16521312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54232 + ... + 58028.

It is an arithmetic number, because the mean of its divisors is an integer number (15997176).

Almost surely, 2^213125610 is an apocalyptic number.

213125610 is an abundant number, since it is smaller than the sum of its proper divisors (298784022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213125610 is a wasteful number, since it uses less digits than its factorization.

213125610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 213125610 is about 14598.8222127677. The cubic root of 213125610 is about 597.3266339924.

Adding to 213125610 its reverse (16521312), we get a palindrome (229646922).

The spelling of 213125610 in words is "two hundred thirteen million, one hundred twenty-five thousand, six hundred ten".